Juventus's Medhi Benatia also spurned a good chance for Herve Renard's side to pull level but Portugal did enough to hold on for the win, albeit without winning any hearts and minds.
Ronaldo scored a hat-trick in Portugal's dramatic 3-3 draw against Spain on Friday to match Hungarian great Ferenc Puskas as Europe's record top scorer with 84 goals.
Morocco, who had a real go at the Luzhniki Stadium but failed to convert their chances, are pointless having also lost 1-0 to Iran and can not progress to the second round.
Ronaldo blazed over from 15 yards after a quick free-kick caught Morocco out, Guedes's miscued attempt rolling invitingly to the five-time world player of the year.
The result was harsh on Morocco, as was their loss against Iran in their opening game, but it reflected their difficulty producing the telling final ball, despite so much good work in the other two thirds of the pitch.
A crude lunge from Benatia on Ronaldo left the Portugal skipper writhing around in pain, while Morocco felt aggrieved when Nordin Amrabat was hauled down by Guerreiro as he muscled his way into the area.
Explosion reported at London Tube station London mayor Sadiq Khan tweeted: "The incident at Southgate Tube station has now been confirmed as non suspicious". British Transport Police said a "small number" of people had been treated at the scene.
The goal woke Morocco out of their slumber and they quickly came to dominate the first half.
Socceroos coach Bert van Marwijk isn't ruling out changes to face a World Cup opponent he rates as a better team unit than France.
If the Socceroos lose, they will exit Russian Federation after the group stage regardless of the outcome of their final game against Peru next Tuesday. It was a surpknew at the start because they were so strong.
We need borders, we need security. "These are crippling loopholes that cause family separation, which we don't want", Trump said. He said he wants Congress to provide him with a third option: to deport families as a unit.
On 17 minutes France 'keeper Hugo Lloris turned a unsafe deflection from Corentin Tolisso around his far post. "I think we lacked some speed in the passes, and we did not push forward or move backward very quickly".
Kimmich nearly netted with an over-head kick from 12 yards before Julian Draxler saw a deflected effort go wide of the far post. They have been battering teams in World Cup openers for as long as any of the players on this pitch could remember.
He said: "Being a black football fan, being a black England fan I was nervous to come out here". "We've has no problems", he said. The second half was tense affair but that did not stop fans chanting, as they did for much of the 90 minutes.
England, meanwhile, won both of their warm-ups against Nigeria and Costa Rica on the back of lively first-half performances. England begin their World Cup campaign against Group G opponents Tunisia on Monday, before taking on Panama and Belgium.
From an all-white sculpture inspired gowns to his and hers pantsuits that gave us a 70's vibe, this couple did not come to play! One young fan said: "I was alright until Beyoncé and Jay sang Forever Young in tribute to Grenfell and then I lost my s-t".
The arrest of the Audi CEO comes just weeks after Volkswagen tapped a new CEO to move the company past the scandal. Audi and VW confirmed the arrest and reiterated there was still a presumption of innocence for Stadler.
During Tuesday night's primary election, State Representative Katie Arrington defeated Sanford 50.6 percent to 46.5 percent . Four other states voted Tuesday, including several races that are seen as key to determining which party controls the House.
Under President Barack Obama the USA was elected for a maximum of two consecutive terms on the council by the UN General Assembly. She said the withdrawal notwithstanding, the USA would continue to defend human rights at the United Nations.
And Mickelson should know there's no place for that kind of behavior on any golf course, much less in the national championship. Open at Pinehurst, so it's not like it's never happened before. "He just laughed at me, he had no words to say".
Royal Family: When Will Prince Louis be Christened?
It will take place at The Chapel Royal, St James's Palace, London - the same place Prince George was also christened. With Prince Louis' christening soon to be out of the way, Kate could well fully return to the public eye.
Morocco faces off with Iran
Iran kept only their second World Cup clean sheet - their other came in a goalless draw with Nigeria in June 2014. Portuguese Queiroz takes Iran to Kazan to face Spain next time out and admits a different approach is required.
Yemen's president returns to Aden from Saudi Arabia
Security Council to call for "an immediate freeze" in the attack on Yemen's port of Hodeida by Saudi-led coalition forces. The UAE official did say the coalition is waiting for a minesweeper from France to clear the mines.